All pull requests

Pull requests

• Now checking for dual infeasibility in HPresolve::rowPresolve

  BugLP presolve
  #3392·jajhall opened Oct 11, 2026Member·4 of 5 tasks·

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  1

  

• Handle a missing GPU gracefully in HiPDLP

  EnhancementGPU-AMD
  #3388·amontoison opened Oct 10, 2026·5 tasks done·

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  1

  

• No modification of Highs::model_ when data supplied yields an error

  Code-quality
  #3386·jajhall opened Oct 9, 2026Member·5 tasks done·

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  14

  

• Corrected error in resolving merge conflict; silenced [highs_filereader] tests

  #3384·jajhall opened Oct 9, 2026Member·5 tasks done·

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  2

• Issue 3369

  #3376·filikat opened Oct 8, 2026Collaborator·5 tasks done·

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  2

  

• Highs::passModel() and Highs::passHessian() now return HighsStatus::kWarning if any of the HighsLp vectors or HighsHessian::start_ have greater size than required by HighsLp::num_col_ and HighsLp::num_row_

  Code-quality
  #3372·jajhall opened Oct 7, 2026Member·5 tasks done·

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  23

  

• Always retain branch as reason

  #3357·Opt-Mucca opened Oct 5, 2026Collaborator·5 tasks done·

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  2

  

• Rewrite the LP reader

  EnhancementLP file reader
  #3355·odow opened Oct 5, 2026Collaborator·4 of 5 tasks·

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  7

  

• Add limit to dive length

  Code-qualityMIP
  #3336·Opt-Mucca opened Sep 30, 2026Collaborator·4 of 5 tasks·

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  5

  

• Protect large int bounds

  MIP
  #3267·Opt-Mucca opened Sep 11, 2026Collaborator·5 tasks done·

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  1

  

• Fix traininstance6 bug

  BugMIP
  #3223·Opt-Mucca opened Aug 20, 2026Collaborator·4 of 5 tasks·

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  1

  

• Fix #3173: bound the objective perturbation when treating a near-fixed column as fixed

  #3174·EamonHetherton opened Jul 27, 2026·

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  3

  

• Strongcg

  MIP
  #3132·Opt-Mucca opened Jul 3, 2026Collaborator·

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  1

  

• Misc

  Code-qualityLPSimplex
  #3131·jschueller opened Jul 3, 2026Contributor·

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  6

  

• Presolve profile

  Presolve
  #2950·jajhall opened Apr 3, 2026Member·

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  4

  

• Added checks to identify cause of segfault exposed in #2748

  Draft PRPresolve
  #2750·jajhall opened Jan 15, 2026Member·

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  2

  

• Take into account discreteness for no cost zero variables in bounds section

  MPS file reader
  #2299·MaximSmolskiy opened Apr 20, 2025Contributor·

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  2